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In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. [1] It is often used when uploading a file or when submitting a completed web form.
A WebDAV request may contain many sub-requests involving file operations, requiring a long time to complete the request. This code indicates that the server has received and is processing the request, but no response is available yet. [3] This prevents the client from timing out and assuming the request was lost. The status code is deprecated. [4]
The request/response message consists of the following: Request line, such as GET /logo.gif HTTP/1.1 or Status line, such as HTTP/1.1 200 OK, Headers; An empty line; Optional HTTP message body data; The request/status line and headers must all end with <CR><LF> (that is, a carriage return followed by a line feed).
An HTTP/1.1 request made using telnet. The request message, response header section, and response body are highlighted. HTTP defines methods (sometimes referred to as verbs, but nowhere in the specification does it mention verb) to indicate the desired action to be performed on the identified resource. What this resource represents, whether pre ...
It is RECOMMENDED that all HTTP senders and recipients support, at a minimum, request-line lengths of 8000 octets. [13] If the URL is too long, the web server fails with the 414 Request-URI Too Long HTTP status code. The common workaround for these problems is to use POST instead of GET and store the parameters in the request body. The length ...
The length of the request body in octets (8-bit bytes). Content-Length: 348: Permanent RFC 9110: Content-MD5: A Base64-encoded binary MD5 sum of the content of the request body. Content-MD5: Q2hlY2sgSW50ZWdyaXR5IQ== Obsolete [15] RFC 1544, 1864, 4021: Content-Type: The Media type of the body of the request (used with POST and PUT requests).
To avoid this problem, many web developers use the PRG pattern [2] —instead of responding with content, the server responds to a POST request by redirecting the client to another location. The HTTP 1.1 specification introduced the HTTP 303 ("See other") response code to ensure that in this situation, browsers can safely refresh the server ...
When data that has been entered into HTML forms is submitted, the form field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. [4]